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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

W3JJB callsign genealogy

Currently held by BARTKO, JOHN J

The FCC publishes a previous_call_sign on every amateur license — a self-link to the licensee's prior callsign. Following those links produces the chain below.

Previous callsigns

Older callsigns held by W3JJB's current licensee, walking backwards.

  1. W4HSNcancelled· E
    BARTKO, JOHN JPAgranted 2006-04-04cancelled 2010-09-08
  2. WB3KTH
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held W3JJB.

No current licensee on record previously held this callsign.

← Back to W3JJB License history →